Nagano, Japan

Naomi Shirasawa

This inventor holds 10 USPTO granted patents. Top assignees: Harmonic Drive Systems Inc., Harmonic Ad, Inc.. Active years: 1998-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naomi Shirasawa. Retrieved from https://idiyas.com/inventor/naomi-shirasawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 5

Forward Citations = 108(Granted Patents)


Location History:

  • Nagano-ken, JP (1998 - 2007)
  • Nagano, JP (2014)

Company Filing History:


Years Active: 1998-2014

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10 patents (USPTO):Explore Patents

Title: Innovation and Ingenuity: The Patents of Naomi Shirasawa

Introduction: Naomi Shirasawa, an accomplished inventor based in Nagano-ken, Japan, has made significant strides in the field of engineering with a remarkable portfolio of ten patents. Her innovative designs and solutions exemplify her commitment to advancing technology and improving existing systems.

Latest Patents: Naomi's latest inventions include a unit type wave gear device and a brake-equipped retracting mechanism for a retractable member. The unit type wave gear device features a unit housing with a two-stage cross roller bearing consisting of both inner and outer roller bearings. This design allows for the realization of a wave gear device that reduces the number of components while supporting a large moment load.

Additionally, her brake-equipped retracting mechanism utilizes a motor's rotational force to transition a liquid crystal display device from a retracted to an open position, employing a power spring to facilitate the return. This innovation ensures controlled retraction at a constant speed, ultimately enhancing user experience.

Career Highlights: Throughout her career, Naomi has collaborated with notable companies such as Harmonic Drive Systems Inc. and Harmonic Ad, Inc. Her work at these organizations has allowed her to hone her technical skills and contribute to projects that push the boundaries of engineering.

Collaborations: Naomi has worked alongside distinguished peers, including Hideo Asawa and Noboru Takizawa. Their collaborations have fostered a creative environment, resulting in the development of cutting-edge solutions and technological advancements.

Conclusion: Naomi Shirasawa's contributions to engineering through her innovative patents reflect her dedication to enhancing technology. With her expertise and collaborative spirit, she continues to inspire future generations of inventors and engineers, showcasing the importance of innovation in shaping our world.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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